2005 Mazda MAZDA6 Owner's Manual - Page 116
2005 Mazda MAZDA6 Manual
Page 116 highlights
Before Driving Your Mazda Fuel and Engine Exhaust Precautions NOTE After driving some distance and turning off the engine, the sound of a valve opening and closing can be heard at the rear of the vehicle, however this does not indicate an abnormality. Your vehicle has a self-checking device and it operates after turning off the engine. 4-4
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NOTE
After driving some distance and turning off the engine, the sound of a valve opening and
closing can be heard at the rear of the vehicle, however this does not indicate an
abnormality. Your vehicle has a self-checking device and it operates after turning off the
engine.
4-4
Before Driving Your Mazda
Fuel and Engine Exhaust Precautions